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<Title>Cylinder Bar Shading</Title>
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<p class="heading0">ChartDirector 7.0 (Java Edition)</p>
<p class="heading1">Cylinder Bar Shading</p>
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<img src="images/cylinderlightbar.jpg" width='600' height='380'>
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This example demonstrates using cylinder shading effect for bars. It also demonstrates brushed metal background, rounded frame, and axis labels on both sides of the plot area.<br><br>
<ul><li> The brushed silver background is achieved by using <a href="Chart.brushedSilverColor.htm">Chart.brushedSilverColor</a> to create the brushed silver color, then use it in <a href="XYChart.XYChart.htm">XYChart.XYChart</a> as the chart background color.<br><br>
<li> The rounded frame is configured using <a href="BaseChart.setRoundedFrame.htm">BaseChart.setRoundedFrame</a>.<br><br>
<li> The cylinder shading effect is configured by using <a href="BarLayer.setBarShape.htm">BarLayer.setBarShape</a> with <a href="Chart.CircleShape.htm">CircleShape</a>.<br><br>
<li> <a href="XYChart.syncYAxis.htm">XYChart.syncYAxis</a> is used to show two synchronized y-axes on both sides of the plot area.<br><br>
<li> <a href="Axis.setColors.htm">Axis.setColors</a> is used to set the y-axes to <a href="Chart.Transparent.htm">Transparent</a>, so only the axis labels are visible.<br><br>
<li> The axis label font is set to Arial Bold using <a href="Axis.setLabelStyle.htm">Axis.setLabelStyle</a>.</ul>
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<p class="heading1a">Source Code Listing</p>
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<b>[JSP Version]</b> jspdemo/cylinderlightbar.jsp
<div class='codeblock'><code class='pre'>&lt;%@page import="ChartDirector.*, java.util.*" %&gt;
&lt;%
// The data for the bar chart
double[] data = {450, 560, 630, 800, 1100, 1350, 1600, 1950, 2300, 2700};

// The labels for the bar chart
String[] labels = {"1996", "1997", "1998", "1999", "2000", "2001", "2002", "2003", "2004", "2005"};

// Create a XYChart object of size 600 x 380 pixels. Set background color to brushed silver, with a
// 2 pixel 3D border. Use rounded corners of 20 pixels radius.
XYChart c = new XYChart(600, 380, Chart.brushedSilverColor(), Chart.Transparent, 2);

// Add a title to the chart using 18pt Times Bold Italic font. Set top/bottom margins to 8 pixels.
c.addTitle("Annual Revenue for Star Tech", "Times New Roman Bold Italic", 18).setMargin2(0, 0, 8, 8)
    ;

// Set the plotarea at (70, 55) and of size 460 x 280 pixels. Use transparent border and black grid
// lines. Use rounded frame with radius of 20 pixels.
c.setPlotArea(70, 55, 460, 280, -1, -1, Chart.Transparent, 0x000000);
c.setRoundedFrame(0xffffff, 20);

// Add a multi-color bar chart layer using the supplied data. Set cylinder bar shape.
c.addBarLayer3(data).setBarShape(Chart.CircleShape);

// Set the labels on the x axis.
c.xAxis().setLabels(labels);

// Show the same scale on the left and right y-axes
c.syncYAxis();

// Set the left y-axis and right y-axis title using 10pt Arial Bold font
c.yAxis().setTitle("USD (millions)", "Arial Bold", 10);
c.yAxis2().setTitle("USD (millions)", "Arial Bold", 10);

// Set y-axes to transparent
c.yAxis().setColors(Chart.Transparent);
c.yAxis2().setColors(Chart.Transparent);

// Disable ticks on the x-axis by setting the tick color to transparent
c.xAxis().setTickColor(Chart.Transparent);

// Set the label styles of all axes to 8pt Arial Bold font
c.xAxis().setLabelStyle("Arial Bold", 8);
c.yAxis().setLabelStyle("Arial Bold", 8);
c.yAxis2().setLabelStyle("Arial Bold", 8);

// Output the chart
WebChartViewer viewer = new WebChartViewer(request, "chart1");
viewer.setChart(c, Chart.SVG);

// Include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("", "", "title='Year {xLabel}: US$ {value}M'"));
%&gt;
&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
    &lt;title&gt;Cylinder Bar Shading&lt;/title&gt;
    &lt;!-- Include ChartDirector Javascript Library to support chart interactions --&gt;
    &lt;script type="text/javascript" src="cdjcv.js"&gt;&lt;/script&gt;
&lt;/head&gt;
&lt;body style="margin:5px 0px 0px 5px"&gt;
    &lt;div style="font:bold 18pt verdana;"&gt;
        Cylinder Bar Shading
    &lt;/div&gt;
    &lt;hr style="border:solid 1px #000080; background:#000080" /&gt;
    &lt;div style="font:10pt verdana; margin-bottom:1.5em"&gt;
        &lt;a href="viewsource.jsp?file=&lt;%=request.getServletPath()%&gt;"&gt;View Source Code&lt;/a&gt;
    &lt;/div&gt;
    &lt;!-- ****** Here is the chart image ****** --&gt;
    &lt;%= viewer.renderHTML(response) %&gt;
&lt;/body&gt;
&lt;/html&gt;</code></div>
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<br><hr class="separator"><div class="copyright">&copy; 2022 Advanced Software Engineering Limited. All rights reserved.</div>
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